<?php

namespace App\Rules\Setting;

use Illuminate\Contracts\Validation\Rule;

class IsVaildNameRule implements Rule
{
    /**
     * Create a new rule instance.
     *
     * @return void
     */
    public function __construct()
    {
        //
    }

    /**
     * Determine if the validation rule passes.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function passes($attribute, $value)
    {
        $this->attribute = $attribute;
        if (!preg_match('/^[a-zA-z]/', $value)) {
            return false;
        }
        if (!preg_match('/^[a-zA-Z0-9\_]+$/', $value)) {
            return false;
        }
        return true;
    }

    /**
     * Get the validation error message.
     *
     * @return string
     */
    public function message()
    {
        return ($this->attribute == 'type' ? '類別' : '名稱') . '不正確';
    }
}
